1 files changed, 42 insertions, 0 deletions
diff --git a/eco_pool.erl b/eco_pool.erl
new file mode 100644
index 0000000..63fbc3d
--- /dev/null
+++ b/eco_pool.erl
@@ -0,0 +1,42 @@
+-module(eco_pool).
+-export([start_pool/1, start_random_pool/2]).
+
+start_pool(Data) ->
+	pool_loop(Data).
+
+start_random_pool(Size, Max) ->
+	random:seed(now()),
+	Data = [random:uniform(Max) || _ <- lists:seq(1, Size)],
+	pool_loop(Data).
+
+pool_loop(PoolData) ->
+	receive
+		{From, stop} ->
+			From ! {ok, stopped},
+			{ok, stopped};
+		{From, drain} ->
+			From ! {ok, drained},
+			pool_loop([]);
+		{From, set, Data} ->
+			From ! {ok, set, Data},
+			pool_loop(Data);
+		{From, put, Data} ->
+			From ! {ok, put, Data},
+			pool_loop(PoolData ++ Data);
+		{From, get, Data} ->
+			New = PoolData -- Data,
+			Test = PoolData -- New,
+			if
+				Test =:= Data ->
+					From ! {ok, get, Data},
+					pool_loop(New);
+				true ->
+					From ! {error, get, Data},
+					pool_loop(PoolData)
+			end;
+		{From, look} ->
+			From ! {ok, look, PoolData},
+			pool_loop(PoolData);
+		Msg ->
+			{error, invalid_message, Msg}
+	end.